$221+ Cheap flights from Rapid City to San Diego (RAP - SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SAN
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Rapid City to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Rapid City to San Diego
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Cheapest flights from Rapid City to San DiegoExplore the most affordable flight options available from Rapid City to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from Rapid City to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:00 am -
1 stop5h 05m
Sat 10/244:11 pm -
1 stop5h 19m
Deal found 9/22![United Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:56 pm -
1 stop5h 51m
Mon 11/168:32 pm -
2 stops36h 51m
Deal found 9/21![Multiple Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:36 pm -
1 stop8h 17m
Mon 11/1610:10 pm -
2 stops11h 13m
Deal found 9/20![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:04 pm -
1 stop7h 34m
Sat 10/246:20 am -
1 stop9h 05m
Deal found 9/23![American Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:37 pm -
2 stops10h 05m
Wed 10/2811:31 am -
2 stops9h 59m
Deal found 9/21![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:41 pm -
1 stop6h 46m
Tue 10/274:18 pm -
1 stop4h 56m
Deal found 9/22![United Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:00 am -
1 stop5h 05m
Sat 10/104:11 pm -
1 stop5h 19m
Deal found 9/21![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:41 pm -
1 stop4h 58m
Sat 10/177:00 am -
1 stop4h 26m
Deal found 9/22![United Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:00 am -
1 stop5h 10m
Mon 11/164:18 pm -
1 stop5h 12m
Deal found 9/21![United Airlines logo]()
$411
Best flights from Rapid City to San DiegoDiscover carefully curated flight deals from Rapid City to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Rapid City to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:00 am -
1 stop5h 05m
Sat 10/244:11 pm -
1 stop5h 19m
Deal found 9/22![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/26:55 am -
1 stop7h 05m
Sat 2/66:20 am -
1 stop8h 26m
Deal found 9/21![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:09 pm -
1 stop7h 00m
Wed 11/116:25 am -
2 stops14h 02m
Deal found 9/19![American Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:36 pm -
1 stop8h 17m
Mon 11/1610:10 pm -
2 stops11h 13m
Deal found 9/20![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:41 pm -
1 stop4h 58m
Sat 10/177:00 am -
1 stop4h 26m
Deal found 9/22![United Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:37 pm -
2 stops10h 05m
Wed 10/2811:31 am -
2 stops9h 59m
Deal found 9/21![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:00 am -
1 stop5h 10m
Mon 11/168:45 am -
1 stop7h 24m
Deal found 9/18![United Airlines logo]()
$411
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:17 am -
2 stops9h 51m
Sat 10/177:00 am -
1 stop4h 26m
Deal found 9/23![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:00 am -
2 stops8h 18m
Tue 10/276:20 am -
2 stops11h 59m
Deal found 9/22![United Airlines logo]()
$469
Last-minute flights from Rapid City to San DiegoDiscover last-minute flight deals from Rapid City to San Diego. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Rapid City to San Diego. Data last updated September 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:45 am -
1 stop7h 31m
Sun 10/46:20 am -
1 stop4h 46m
Deal found 9/19![American Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:41 pm -
1 stop4h 58m
Sat 10/177:00 am -
1 stop4h 26m
Deal found 9/22![United Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:00 am -
1 stop5h 05m
Sat 10/104:11 pm -
1 stop5h 19m
Deal found 9/21![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:41 pm -
1 stop6h 46m
Tue 10/274:18 pm -
1 stop4h 56m
Deal found 9/22![United Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:00 am -
1 stop5h 05m
Sat 10/244:11 pm -
1 stop5h 19m
Deal found 9/22![United Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:04 pm -
1 stop7h 34m
Sat 10/246:20 am -
1 stop9h 05m
Deal found 9/23![American Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:37 pm -
2 stops10h 05m
Wed 10/2811:31 am -
2 stops9h 59m
Deal found 9/21![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:29 am -
2 stops12h 22m
Sat 10/241:36 pm -
2 stops7h 54m
Deal found 9/23![Delta logo]()
$439
One-way flights from Rapid City to San DiegoSearch for one-way flight options from Rapid City to San Diego. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Rapid City to San Diego. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:47 pm -
1 stop17h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:24 am -
1 stop28h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$276
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2112:39 pm -
1 stop5h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![United Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:26 pm -
3 stops48h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:47 pm -
1 stop7h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![American Airlines logo]()
$376
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:00 am -
2 stops8h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![United Airlines logo]()
$391
Find flight deals from Rapid City to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (United Airlines) |
One-way from | $221 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $485 |
Cheapflights Fare Finder
Customize your flight search to find flights from Rapid City to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Rapid City to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Rapid CitySan Diego
RAP Rapid City - SAN San Diego
RAPSAN
Rapid City
Fri 11/27
7:47 pm-12:07 pm
1 stop17h 20m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$221
Quickest round-trip
Rapid CitySan Diego
RAP Rapid City - SAN San Diego
RAPSAN
Rapid City
Mon 11/23
10:30 am-2:55 pm
1 stop5h 25m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$319
Rapid CitySan Diego
RAP Rapid City - SAN San Diego
RAPSAN
Rapid City
Sat 11/21
5:00 am-11:31 am
2 stops7h 31m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$324
Rapid CitySan Diego
RAP Rapid City - SAN San Diego
RAPSAN
Rapid City
Wed 10/21
5:00 am-9:05 am
1 stop5h 05m
San Diego
Sat 10/24
4:11 pm-10:30 pm
1 stop5h 19m
$349
Rapid CitySan Diego
RAP Rapid City - SAN San Diego
RAPSAN
Rapid City
Tue 2/2
6:55 am-1:00 pm
1 stop7h 05m
San Diego
Sat 2/6
6:20 am-3:46 pm
1 stop8h 26m
$349
Rapid CitySan Diego
RAP Rapid City - SAN San Diego
RAPSAN
Rapid City
Wed 9/30
12:47 pm-6:51 pm
1 stop7h 04m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$376
Rapid CitySan Diego
RAP Rapid City - SAN San Diego
RAPSAN
Rapid City
Thu 11/12
4:36 pm-11:53 pm
1 stop8h 17m
San Diego
Mon 11/16
10:10 pm-10:23 am
2 stops11h 13m
$379
Rapid CitySan Diego
RAP Rapid City - SAN San Diego
RAPSAN
Rapid City
Wed 10/21
2:37 pm-11:42 pm
2 stops10h 05m
San Diego
Wed 10/28
11:31 am-10:30 pm
2 stops9h 59m
$384
Rapid CitySan Diego
RAP Rapid City - SAN San Diego
RAPSAN
Rapid City
Wed 9/30
12:30 pm-8:08 pm
2 stops8h 38m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$391
Rapid CitySan Diego
RAP Rapid City - SAN San Diego
RAPSAN
Rapid City
Sat 10/3
4:41 pm-8:39 pm
1 stop4h 58m
San Diego
Sat 10/17
7:00 am-12:26 pm
1 stop4h 26m
$410
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Rapid City to San Diego
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to San Diego in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Rapid City-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Rapid City-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rapid City-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Rapid City to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Rapid City with our price prediction graph.
RAP-SAN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Rapid City to San Diego
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated September 23, 2026.
Read reviews from past customers who have flown United Airlines and American Airlines from Rapid City to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Food
6.7
Crew
8.1
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Overall
7.4
Food
6.7
Crew
8.1
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Overall
7.4
Food
6.7
Crew
8.1
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Related info for your journey
Find useful and relevant information for your journey from Rapid City to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
Coronado
San Ysidro
Poway
La Mesa
Santee
Julian
Lemon Grove
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Rapid City and San Diego flights
Browse other Rapid City and San Diego flight options. Last updated on September 23, 2026.
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Browse through other flights departing from Rapid City. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Top 2 airlines flying from Rapid City to San Diego
Discover the top 2 airlines that operate flights from Rapid City to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$315 | Average$506 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$362 | Average$496 | FlexibilityNo cancel fee | On-time71% |